(3aS,4R,7R,7aR)-6-(furan-2-yl)-7-hydroxy-2,2-dimethylhexahydrobenzo[d][1,3]dioxol-4-yl acetate

(-)-7-Acetoxy-5-(2-furyl)-3aα,4,7α,7aα-tetrahydro-2,2-dimethyl-1,3-benzodioxol-4-one

(3aS,7S,7aR)-5-(furan-2-yl)-2,2-dimethylhexahydrobenzo[d][1,3]dioxole-4,7-diyl diacetate

methyl (1α,6α)-2β-hydroxy-7-oxabicyclo[4.1.0]hept-3-ene-4-carboxylate